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| author | Neil Roberts <neil@linux.intel.com> | 2015-03-04 14:41:16 +0000 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-03-17 22:29:54 +0100 |
| commit | 27cd44618b92fc8c6889e4628407791e45422bac (patch) | |
| tree | 277a7e4cbc67622124050d46496a0294ae3ce099 | |
| parent | 10634189fc50d30c7269e3e1af167608f7aebcfc (diff) | |
| download | op-kernel-dev-27cd44618b92fc8c6889e4628407791e45422bac.zip op-kernel-dev-27cd44618b92fc8c6889e4628407791e45422bac.tar.gz | |
drm/i915: Add I915_PARAM_REVISION
Adds a parameter which can be used with DRM_I915_GETPARAM to query the
GPU revision. The intention is to use this in Mesa to implement the
WaDisableSIMD16On3SrcInstr workaround on Skylake but only for
revision 2.
Signed-off-by: Neil Roberts <neil@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
| -rw-r--r-- | drivers/gpu/drm/i915/i915_dma.c | 3 | ||||
| -rw-r--r-- | include/uapi/drm/i915_drm.h | 1 |
2 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 053e178..3b64c52 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -68,6 +68,9 @@ static int i915_getparam(struct drm_device *dev, void *data, case I915_PARAM_CHIPSET_ID: value = dev->pdev->device; break; + case I915_PARAM_REVISION: + value = dev->pdev->revision; + break; case I915_PARAM_HAS_GEM: value = 1; break; diff --git a/include/uapi/drm/i915_drm.h b/include/uapi/drm/i915_drm.h index 6eed16b..b768f3b 100644 --- a/include/uapi/drm/i915_drm.h +++ b/include/uapi/drm/i915_drm.h @@ -347,6 +347,7 @@ typedef struct drm_i915_irq_wait { #define I915_PARAM_HAS_COHERENT_PHYS_GTT 29 #define I915_PARAM_MMAP_VERSION 30 #define I915_PARAM_HAS_BSD2 31 +#define I915_PARAM_REVISION 32 typedef struct drm_i915_getparam { int param; |
